Penn Vent Electric Motor (7190-2905) Zephyr Z101S, 1050 RPM, 3.9 amps, 115 volts # 56347-0 1050 RPM, 1.6 amps, 115 volts Base 2 1/2" x 2 1/2" shaft 5 7/8" x 3/8" x 5 7/8"; Capacitor Included 3.3" Motor Diameter, Resilient Base 1 Year Manufacture Warranty